
Gen AI for legal doesn't work
Some thoughts on generative legal AI…
I used to work for a NON-generative legal AI company, and I’ve published articles on legal AI, spoken at conferences about it, etc.
The legal field COULD be a relatively benign field for genAI use (leaving aside the environmental impact, which is considerable but remediable). Most transactional legal documents aren’t “creative” works like music, novels, etc. and transactional lawyers all use variations on the same forms handed down and modified throughout the generations.
Court decisions and statutes are in the public domain. So there is little if any IP infringement with those inputs.
(HOWEVER, much genAI “analysis” of the law appears to be plagiarizing/remixing human-written articles.)
Legal genAI – IF IT WORKED – could reduce the need for lawyers, especially at entry level. I don’t have a problem with that. Typists took over from scriveners, word processors took over from typists, and Lexis/Westlaw made legal research much faster and more reliable.
Somehow, there are still plenty of lawyers…. 😉
IF IT WORKED, legal genAI could be great at reviewing simple documents like NDAs. As the company I used to work for once said, no lawyer ever went to law school because they dreamed of reviewing NDAs.
The problem with legal genAI is… IT DOESN’T WORK.
Lawyers are getting sanctioned every week for using genAI to cite cases that don’t exist, or that don’t say what they claim.
https://fortune.com/2026/05/16/ai-hallucinations-legal-sanctions-courtroom-lexisnexis/
I’m a transactional lawyer, but sometimes I need to check whether a court has interpreted a specific contract term. On the rare occasions when I’ve tried AI mode Google searches, the results are invariably wrong/fabricated.
In the past 6 months, I’ve increasingly seen clients use genAI to “create” and “review” legal documents (including NDAs).
IT DOESN’T WORK.
AI-generated legal documents typically have problems with redundancy, inconsistency, undefined terms, nonsensical terms, etc. I tell clients it would be faster and cheaper to start over with a standard human-made template rather than fix all the problems in the genAI version.
When genAI reviews legal documents, it often points out clauses that are “missing” — but that are actually there. It does a very poor job of recognizing that there are hundreds of ways to express the same legal concept (like indemnification) – hence the redundancy.
I attended a webdemo from a legal genAI company that does contract review. They were honest enough to admit to the limitations in their product. If I have to check its work like I’m dealing with a green associate, what’s the point? I might want to train the associate – but I have no interest in training some company’s software and paying for the privilege.
I would LOVE to be able to do my work more quickly and easily. But from what I’ve seen, genAI isn’t there yet. I have no great confidence that it ever will be.
I have more confidence in the expanded use of NON-generative AI, which has been used productively for years.